<div class="app-top">
    <div class="logo"><button md-button [routerLink]="['/pages']">实习</button></div>
    <div class="nav-list"></div>
    <div class="login-action">
        <button md-button (click)="showLoginPanel()">登 录</button>
        <button md-button (click)="register();">注 册</button>
    </div>
</div>